function getItemName(item: item) :: string:
    set {_itemMeta} to {_item}.getItemMeta()
    if {_itemMeta} is not set:
        return {_}
    if {_itemMeta}.hasDisplayName():
        return {_itemMeta}.getDisplayName()
    return {_}

function getItemName(item: item) :: string:
    set {_itemMeta} to {_item}.getItemMeta()
    if {_itemMeta} is not set:
        return {_}
    if {_itemMeta}.hasDisplayName():
        return {_itemMeta}.getDisplayName()
    return {_}

import:
    net.minecraft.server.v1_16_R3.PacketPlayOutAbilities

function changeFov(p: player, fov: number):
    set {_packet} to new play_server_abilities packet
    set field 0 of {_packet} to whether {_p} is invulnerable
    set field 1 of {_packet} to whether {_p} is flying
    set field 2 of {_packet} to whether {_p} can fly
    set field 3 of {_packet} to whether ({_p}'s gamemode) is creative
    set field 4 of {_packet} to {_p}'s fly speed
    set field 5 of {_packet} to {_fov}
    send packet {_packet} to {_p}

command /changefov <number>:
    trigger:
        changeFov(player, arg-1)

import:
    net.minecraft.server.v1_16_R3.PacketPlayOutAbilities

function changeFov(p: player, fov: number):
    set {_packet} to new play_server_abilities packet
    set field 0 of {_packet} to whether {_p} is invulnerable
    set field 1 of {_packet} to whether {_p} is flying
    set field 2 of {_packet} to whether {_p} can fly
    set field 3 of {_packet} to whether ({_p}'s gamemode) is creative
    set field 4 of {_packet} to {_p}'s fly speed
    set field 5 of {_packet} to {_fov}
    send packet {_packet} to {_p}

command /changefov <number>:
    trigger:
        changeFov(player, arg-1)